1. divide 6 and 6, both sides will not equal & n* g6 h' r! C7 P' `: m0 p2. take any side of the 6, divide then 3 and 3, again both sides will not equal1 O% B1 T9 k1 e
3. take any 2 and weigh themtvb now,tvbnow,bttvb, \9 Q% s# y1 N+ l' s, I( _6 [
if they equal, the one left is the ball.